Daniel Oliveira

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0 karma0 postsjoined 3 days ago

Does copying Congress's stock trades work? I tested 17,859 disclosures

🌐 dev.toSource

The popular rule is simple: buy what members of Congress buy and avoid what they sell. I tested it on...

#devtodatascience #science #devto #dev #stock #purchases #date #filing

about 20 hours ago

Do stocks go up after insiders buy? I tested 47,458 open-market purchases

🌐 dev.toSource

An insider buying shares of their own company on the open market, with their own cash, is about the...

#devtodatascience #science #devto #dev #median #stock #purchase #market

2 days ago

How much do stocks move after earnings? I measured 12,353 S&P 500 reports

🌐 dev.toSource

I measured the stock move on the first trading session after every quarterly earnings release by...

#devtodatascience #science #devto #dev #move #reports #stock #companies

2 days ago

Agentic AI has overtaken generative AI on S&P 500 earnings calls: what 5,305 transcripts show

🌐 dev.toSource

I counted AI vocabulary on 5,305 earnings calls held by current S&P 500 companies since January...

#devtodatascience #science #devto #dev #calls #agentic #call #generative

3 days ago

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Daniel Oliveira